package com.Liux.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class HelloServlet extends HttpServlet {
    @Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
 //取得参数
     String method = req.getParameter("method");
    if (method.equals("add")){
     req.getSession().setAttribute("msg","执行了add方法");
       }
    if (method.equals("delete")){
     req.getSession().setAttribute("msg","执行了delete方法");
       }
     //业务逻辑
     //视图跳转
     req.getRequestDispatcher("/WEB-INF/jsp/hello.jsp").forward(req,resp);
   }

 @Override
 protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    doGet(req,resp);
   }


}
